| CAS No. | 1258221-19-0 |
| Molecular Formula | C33H35N3O6S3 |
| Molecular Weight | 665.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Order 2,3,6,7,12,13,16,17-Octahydro-9-[4-[[(2-mercaptoethyl)amino]sulfonyl]-2-sulfophenyl]-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j′]diquinolizin-18-ium inner salt (CAS 1258221-19-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C33H35N3O6S3. Molecular weight: 665.84 g/mol. COA included with every batch.
| Molecular Formula | C33H35N3O6S3 |
| Molecular Weight | 665.84 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 3 |